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5. Configuration
Settings may only be changed by a qualified electrical engineer.
Read the instructions thoroughly before implementing changes.
During setting of the charger, the AC input must be removed.
5.1 Standard settings: ready for use
On delivery, the MultiPlus is set to standard factory values. In general, these settings
are suitable for single-unit operation.
Warning: Possibly, the standard battery charging voltage is not suitable for
your batteries! Refer to the manufacturer's documentation, or to
your battery supplier!
Standard MultiPlus factory settings
Inverter frequency 60 Hz
Input frequency range 45 - 65 Hz
Input voltage range 94 - 143 VAC
Inverter voltage 120 VAC
Stand-alone / parallel / 3-phase stand-alone
AES (Automatic Economy Switch) off
Ground relay on
Charger on/ off on
Battery charge curve Four-stage adaptive with BatterySafe mode
Charging current 75% of the maximum charging current
Battery type Victron Gel Deep Discharge (also suitable for Victron AGM
deep discharge
Automatic equalisation charging off
Absorption voltage 14.4 / 28.8 / 57.6 V
Absorption time up to 8 hours (depending on bulk time)
Float voltage 13.8 / 27.6 / 55.2 V
Storage voltage 13.2 / 26.4 / 52.8V (not adjustable)
Repeated absorption time 1 hour
Absorption repeat interval 7 days
Bulk protection on
AC input current limit 50A (= adjustable current limit for PowerControl and
PowerAssist functions)
UPS feature on
Dynamic current limiter off
WeakAC off
BoostFactor 2
Multi-functional relay alarm function
VirtualSwitch controls the multi-functional relay
PowerAssist on